[FFmpeg-trac] #1487(avformat:new): ffmpeg's mpeg mux bug(s) never fixed...

[FFmpeg]

#1487: ffmpeg's mpeg mux bug(s) never fixed...
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             Reporter:  downuse      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  unspecified  |               Resolution:
             Keywords:  mpeg         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by michael):

 Replying to [ticket:1487 downuse]:
 > i'm trying to mux a mpg file use the following cmd
 >
 > ffmpeg -y -i 1.m2v -i 1.mp2 -c copy -f svcd 1.mpg
 >
 > it finished muxing without any errors & warnings.
 > of cause, the original mpg file is normal.
 >
 > but the muxed mpg file is not normal, it can be played on PC with codecs
 but not in most DVD players.

 which DVD player exactly ?
 what happens if its played on such DVD player ?
 is this a regression (that is did it work with older ffmpeg) ?


 >
 > the following bugs i found:
 > 1. audio always has a Delay relative to video such as "-67ms"

 what do you mean by delay ? delay of audio vs video content, of
 timestamps, of ?
 if its about timestamps please quote the timestamps that are wrong and
 please explain why you think they are wrong. A reference to a specific
 section of a specification would be best.


 > 2. the mux rate is too big.. i think it should divided by 8.

 what muxrate did you specify, what was stored, what did you expect? what
 tool did you use to see its wrong.


 > 3. i think the PCR is also buged, it's not begin with 0, the SCR base is
 not begin with 0, either.

 PCR is MPEG-TS your sample is SVCD (PS) so this comment makes no sense to
 me


 and please use git master

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1487#comment:4>
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